11546431464 has 64 divisors (see below), whose sum is σ = 29126306880. Its totient is φ = 3814272000.

The previous prime is 11546431451. The next prime is 11546431487. The reversal of 11546431464 is 46413464511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215694 + ... + 1225154.

It is an arithmetic number, because the mean of its divisors is an integer number (455098545).

Almost surely, 2^11546431464 is an apocalyptic number.

It is an amenable number.

11546431464 is an abundant number, since it is smaller than the sum of its proper divisors (17579875416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11546431464 is a wasteful number, since it uses less digits than its factorization.

11546431464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922 (or 9918 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

Adding to 11546431464 its reverse (46413464511), we get a palindrome (57959895975).

The spelling of 11546431464 in words is "eleven billion, five hundred forty-six million, four hundred thirty-one thousand, four hundred sixty-four".